Magellan Asset Management Ltd raised its stake in American Electric Power by 18.6% in the first quarter, totaling 403,001 shares worth about $52.8 million. It also boosted CenterPoint Energy holdings by 23.3% to 683,118 shares, valued at roughly $29.5 million. The firm expanded Crown Castle Inc. positions by 59.5% to 2,855,204 shares, making the stock an about $232.2 million holding and one of Magellan’s top positions. In Atmos Energy, Magellan increased its stake by 30.9% to 181,367 shares, worth around $33.5 million. Magellan likewise lifted Avista Corp. holdings by 29.9% to 71,143 shares, approximately $2.86 million. Taken together, the filings highlight Magellan’s ongoing trend of increasing stakes in utilities and infrastructure names, alongside broad participation by other institutional investors in these stocks.